The roles of the female reproductive system are:
producing eggs
allowing for fertilization
and, allowing for childbirth.
I hope this helps!
DNA is going to be the answer
Answer:
What makes us human the most is our self-awareness and the ability of philosophical thought.
We understand we exist on Earth and wonder why the sky is blue, which is a trait no other species possesses.
Explanation:
Orangutans, chimpanzees, gorillas, bottlenose dolphins, elephants, orcas and bonobos all have self-awareness. But still don't wonder why the sky is blue.
Animals were seen capable of doing all the other factors.

Arctic <u>cod</u> , fish that produces antifreeze proteins in its blood.
I'm pretty sure it's polyploidy